It depends, at a base we do have our own crew lounge with briefing computers where we used to print out our paperwork (OFPs), brief and then brief with the cabin crew. Most of those are airside behind some staff security facilities.
Off base we usually just use the staff security and then go to the gate and wait on local staff to let us onto the plane if it is there already. Briefing will be either done on the drive to the airport or on the aircraft.
Nowadays we use our iPads for flight preparation, so we don't really need any paperwork anymore, but we do need network connectivity of course.
Oh yes, report time is 60 minutes prior off block for short- and medium operation and 75 minutes for longhaul operation.