The Google Reader will soon disappear and be out of service within two weeks. I have been lazy enough to do my own migration to Feedly just a few minutes ago!
As for how to migrate from Google Reader to Feedly, here is a tutorial:-
http://vandelaydesign.com/blog/tools/feedly/
In short, just download the Feedly plugin for your browser from feedly.com, run it and you will see this starting page:
