@INPROCEEDINGS{HeydtCDF-2006-pet,
    author        = {Heydt-Benjamin, Thomas S. and Chae, Hee-Jin and Defend, Benessa and Fu, Kevin},
    title         = {{Privacy for Public Transportation}},
    booktitle     = {Workshop on Privacy Enhancing Technologies -- PET 2006},
    year          = {2006},
    editor        = {George Danezis and Philippe Golle},
    volume        = {4258},
    series        = {Lecture Notes in Computer Science},
    pages         = {1--19},
    address       = {Cambridge, United Kingdom},
    month         = {June},
    organization  = {},
    publisher     = {Springer},
   bibsource     = {Information Security Group (GSI), UCL, Louvain-la-Neuve, Belgium},
}