Originally Posted by shakran

Right after boiling, refill the pot with cold water and let 'em sit for 30 seconds to a minute. Not only will the egg contract a bit (making it easy to peel) but this will also prevent the yolk from getting green around the outside. I like to run the cold water over the eggs and keep letting more of the water out of the pot for a bit at first so that the residual heat from the pot doesn't make the water warm.