Have you tried:
http://www.tuxfinder.com/packages/?defaultname=kljettool
It returns with lots of different versions.
Or if you want just download this one.
ftp://ftp.ntua.gr/pub/vendors/redhat/linux/updates/8.0/en/os/i386/kljettool-3.0.5a-1.i386.rpm
Have fun.