Download Sound Jam Free, open the mp3 file on it click on add to converter and convert the file to AIFF .
Then go to
http://www.digidesign.com , download Protools Free, install etc.etc....
Open protools Free on the Mix window on the upper right corner there's a menu select import audio , import the AIFF file and bounce it (File menu) as SDII file.
Burn