@inproceedings{shirali2007secure,
  author    = {M. Shirali-Shahreza and S. Shirali-Shahreza},
  title     = {A Secure Internet Login System for Mobile Phones Using CAPTCHA},
  booktitle = {Proceedings of the 10th International Conference on Computer and Information Technology (ICCIT 2007)},
  address   = {Dhaka, Bangladesh},
  month     = dec,
  year      = {2007}
}