@INPROCEEDINGS{Li:SecHCI:NDSS2013,
  author =       {Hassan Jameel Asghar and Shujun Li and Ron Steinfeld and Josef Pieprzyk},
  title =        {Does Counting Still Count? Revisiting the Security of Counting based User Authentication Protocols against Statistical Attacks},
  booktitle =    {Proceedings of 20th Network \& Distributed System Security Symposium (NDSS 2013)},
  year =         {2013},
  publisher =    {Internet Society},
  note =         {A full edition is available online at \url{http://www.hooklee.com/Papers/NDSS2013_Full.pdf} and at \url{http://eprint.iacr.org/2010/478}},
}