@inproceedings{guessing:oakland12,
  author =    {Patrick Gage Kelley and Saranga Komanduri and Michelle L. Mazurek and Richard Shay and Tim Vidas and Lujo Bauer and Nicolas Christin and Lorrie Faith Cranor and Julio Lopez},
  title =     {Guess again (and again and again): {M}easuring password strength by simulating password-cracking algorithms},
  booktitle = {Proceedings of the 2012 IEEE Symposium on Security and Privacy},
  year =      {2012},
  month =     may,
  pages =     {523--537},
  copyright = {IEEE},
  publisher = {IEEE},
  doi =       {10.1109/SP.2012.38},
  url =       {http://www.ece.cmu.edu/~lbauer/papers/2012/oakland2012-guessing.pdf}
}