@InProceedings{DhPe2000,
    author =       {Rachna Dhamija and Adrian Perrig},
    title =        {D\'ej\`a Vu: A User Study, Using Images for Authentication},
    url =          {/publications/papers/usenix.pdf},
    booktitle =    {Proceedings of the USENIX Security Symposium},
    year =         2000,
    month =        aug
}