There are three ways you can flash this device using tools available on freescale.com.
1) Use CW 10.6 to generate a project for the device and flash it with the debugger.
2) Generate an s-record file and flash it with the flash program invokable from the IDE of CW 10.6.
3) Use the DSC Flasher, a stand-alone programmer and select the device in "Target Device" to be MC56F82313.
This device is supported for all three methods.