Ohh Davita, you doubting Thomas. No, the Raelians are not wanting to convert the Aliens to another religion. They are preparing to build a church with the design given to them by the Aliens. Actually I seem to remember they called it an embassy rather than a church.
Here's a link to their website:
http://www.rael.org/
And here's a link to an entertaining story about a visit to a Raelian get together.
http://io9.gizmodo.com/5860418/meet-the-raelians-inside-the-worlds-strangest--and-nicest--ufo-sex-clone-religion