@inproceedings{CLMP12,
  author        = {X. Chen and G. Lenzini and S. Mauw and J. Pang},
  title         = {A group signature based electronic toll pricing system},
  booktitle     = {Proc.\ 7th Conference on Availability, Reliability and Security (ARES'12)},
  publisher     = {IEEE Computer Society},
  year          = {2012},
  pages         = {85--93},
  url           = {http://satoss.uni.lu/jun/papers/ARES12.pdf},
  ulkey         = {Chen:9176}
}