HaswellHelper is a quick installer for MacMan's xnu-2050.24.15 kernel enhanced to allow Haswell CPUs to boot and run OS X 10.8.4 only. It will also delete GenericUSBXHCI.kext from /Extra/Extensions. You may use this on a UniBeast created USB drive to get installation support.
Early Adopter's Guide to Intel's Haswell CPUs and 8-Series Motherboards
Temporary Installation Guide for Haswell Systems [10.8.4 only]