Big Bang Question, World Tour!!?

So as most Big Bang fans have heard, they will be starting a world tour in March and will be coming to North America. My question is, how do you get tickets for their concert? Any links would be greatly appreciated! I want to go so badly!! Any info about their tour helps! Thank you!!
@BB it IS true!!! http://www.allkpop.com/2012/02/big-bang-… proves it! It is true, I just want to find where I can get tickets for this!