There isn't any 'easier' way to do Masuda method, as there is only one way. There's no easier way than Masuda method in terms of chance, though there is the Shining Charm which increases the chance of seeing a Shiny Pokemon.
This is now you do it:
> The Masuda method is possible because of an internal marker on each Pokémon which identifies their "home location", 0x17. If the game recognizes the two Pokémon in the daycare as having different home locations, then the chances of the Egg hatching into a Shiny Pokémon will increase. In Pokémon Diamond, Pearl, Platinum, HeartGold, and SoulSilver, the odds will be increased by five times: from the usual 1/8192 to 1/1639. In Pokémon Black and White, the odds were increased again, to 1/1366. This is six times as likely as encountering a Shiny Pokémon in tall grass.
http://bulbapedia.bulbagarden.net/wiki/Masuda_method#Mechanics_and_reasoning
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So basically, have Female Eevee or one of the Eeveelutions from one country, and another Male Pokemon from another country from the same Egg group to breed, or the alternative of a Ditto from another country. In W2, the chance of producing a Shiny Pokemon from the Egg is increased from 1/8192 to 1/1366.
From doing this, the only way to get it is trail and error. Sorry. Without Masuda method, Shinies must be obtained normally with the 1/8192 chance of seeing a Shiny, or can be increased again with the Shining Charm, making it a 1 in 2,370.6 chance. You can use this to stack with Masuda method and make the final chance 1 in 1,024, the highest possible number due to the absence of the PokeRadar in W2.
