@InProceedings{ParPer2005,
  author =        {Bryan Parno and Adrian Perrig},
  title =         {Challenges in Securing Vehicular Networks},
  booktitle =     {Proceedings of the Fourth Workshop on 
	           Hot Topics in Networks ({HotNets-IV})},
  location =      {College Park, MD, USA},
  day =           {14--15},
  month =         nov,
  year =          2005
}