@InProceedings{DhPe2000,
  author = 		 {Rachna Dhamija and Adrian Perrig},
  title = 		 {D\'ej\`a Vu: A User Study, Using Images for Authentication},
  booktitle = 	 {Proceedings of the 9th USENIX Security Symposium},
  year =		 2000,
  month =		 {August}
}