author =       {Michelle L. Mazurek and Saranga Komanduri and Timothy Vidas and Lujo Bauer and Nicolas Christin and Lorrie Faith Cranor and Patrick Gage Kelley and Richard Shay and Blase Ur},
  title =        {Measuring Password Guessability for an Entire University},
  booktitle =    {Proceedings of the 2013 ACM Conference on Computer and Communications Security},
  year =         {2013},
  month =        nov,
  publisher =    {ACM},
  copyright =    {authors},
  doi =          {10.1145/2508859.2516726},
  url =          {http://www.ece.cmu.edu/~lbauer/papers/2013/ccs2013-real-passwords.pdf},