@misc{cryptoeprint:2015:686, author = {Azeem Irshad and Muhammad Sher and Shahzad Ashraf and Shahzad faisal and Mahmood Ul Hassan}, title = {Cryptanalysis for Secure and Efficient Smart-Card-Based Remote User Authentication Scheme for Multi-server Environment}, howpublished = {Cryptology ePrint Archive, Report 2015/686}, year = {2015}, url = {https://eprint.iacr.org/2015/686}, }