Query regarding e filing of service tax return

hello friends,

as we know with effect from 1-4-2010 it is mandatory for a service provider to file a service tax return through  e filing if he has paid Rs. 10 lakh or more  of service tax including the service tax paid by  utilisation  of cenvat credit.

please someone clarify me  with a small example what does the words "including the service tax paid by  utilisation  of cenvat credit" mean here????

thanking  in anticipation