Not sure that is exactly a simple process for the home brewer. The key is to remove the harsh alcohol flavor from the high concentration. That involves multiple runs through a charcoal-based filtration system. Without a good pumping mechanism, the process is very long. Even with a good...
Hate to be a downer, but recent reviews of the where this is actually brewed leads to the conclusion that this would be an extremely hard taste to clone. It is most likely not brewed in the traditional manner but the alcohol is infused in a similar manner to the way Mike's Hard products are...