how did you flash this rom? with recovery? can't you boot again into recovery?
here is what i've found in google
on my lgl35g (LG Optimus Logic) in order to get to clockwork recovery i hold (volume -) and (home button). press (power button) till phone vibrates then release (power button) continue to hole (volume -) and (home button) till screen flashes and clockwork shows.
Phone: HTC One | ROM: CyanogenMOD 10.2
Tablet: Nexus 7 32GB LTE | ROM: CyanogenMOD 10.2