How to make make the bass in Afrojack - Polkadots 2010 (Oliver Twizt Remix) synth?

Afrojack - Polkadots 2010 (Oliver Twizt Remix)
How do I make that fat ass wall of synth that we call a bass?
I can't get enough of it!!
I have massive and ableton, but if someone could explain to me how
they would make it on their synth, that would be just as good.
thanks

http://www.youtube.com/watch?v=tL9pzzQ8BHIfeature=related