@misc{cryptoeprint:2015:615,
    author = {Nasour Bagheri, Masoumeh Safkhani and Hoda Jannati},
    title = {Security Analysis of Niu et al. Authentication and Ownership Management Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2015/615},
    year = {2015},
    url = {https://eprint.iacr.org/2015/615},
}