Hallo I have a question about rewrite. i would like

Hallo
I have a question about rewrite.
i would like to change http://www.domain.com/wp-login to http://www.domain.com/login
or
http://www.domain.com/wp-admin to http://www.doman.com/admin

i tryed something but they did not worked with wordpress 3.5

i using bodypress and wordpress mu

thanks.