An exciting discovery indeed!
Reported at Current Biology magazine:
http://www.cell.com/current-biology/abstract/S0960-9822%2814%2900525-9
To parse out the title for you:
Sexually Dimorphic – meaning that there were obvious differences between the males and females.
Tridimensionally Preserved – the eggs were 3-D (not flatened).
Pterosaurs are not to be confused with Pterodactyls, though they are similar looking creatures.