@article{17895,
  author = {Qingfeng Cheng and Chunming Tang},
  title = {Cryptanalysis of an ID-based Authenticated Dynamic Group Key Agreement with Optimal Round},
  year = {2015},
  journal = {International Journal of Network Security},
  volume = {17},
  pages = {678-682},
  month = {Nov. 2015},
  language = {eng},
}