http://www.encuestafacil.com/RespWeb/Cuestionario.aspx?EID=412552&MSJ=NO#Inicio

i always use the generator linked above. i trust it and use it frequently. personally it's the only one that's ever worked for me, every other time i've tried a "gold generator" i've gotten screwed over.
the only reason i used this one was because it's what my best friend uses and she suggested it to me, otherwise i would have never trusted using another one of these. it's a good thing i did though, i'm super rich on gaia now. the only complaint i have is that it takes too long to generate the gold sometimes. like a couple days even though it says 24 hours at the most. :\