Bibtex Entry:

@inproceedings{popa2009vpriv,
   author =       "Raluca Ada Popa and Hari Balakrishnan and Andrew Blumberg",
   title =        "{VPriv: Protecting Privacy in Location-Based Vehicular Services}",
   booktitle =    {18th USENIX Security Symposium},
   year =         {2009},
   month =        {August},
   address =      {Montreal, Canada}
}