In Reply to: Location of taxi rank at airport? posted by Budgiekidz on Thursday, 1. August 2013 at 11:18 Bali Time:
1 company has the monopoly at the airport, so pay at the desk on the way out. You tell the guy where you want to go and he quotes a rate. Here's more or less what you should pay - rates have gone up with fuel price.
http://www.mydestination.com/bali/usefulinfo/6181784/taxi-fares-from-bali-airport