Toast Titanium can do this job, while we have an alternative solution with BinChunker, which is available on Macports.
You can get it with the following commands through Terminal:
sudo port install bchunk
Use syntax as follows:
bchunk IMAGE.bin IMAGE.cue OUTPUTIMAGE.iso
For how to install Macports on Mac OS X, please visit: http://www.macports.org/install.php
