Here is the new version of TOR rpm package, you may also install other mainstreams versions from EPEL, currently this one is the latest.
This package is for RHEL 6.4 and all it’s clones (CentOS, Scientific Linux, etc)
scr code: https://www.torproject.org/dist/tor-0.2.4.17-rc.tar.gz
rpm -Uvh tor-0.2.4.17.rc-tor.0.rh6_4.x86_64
yum localinstall tor-0.2.4.17.rc-tor.0.rh6_4.x86_64
Hope it helps,