@inproceedings{Yueksel2011optimizing,
  title = "Optimizing Key Updates in Sensor Networks",
  author = "Ender Y{\"u}ksel and Hanne {Riis Nielson} and Flemming Nielson and Matthias Fruth and Marta Kwiatkowska",
  year = "2011",
  booktitle = "Proceedings of the 2011 IEEE Sensors Applications Symposium (SAS 2011)",
  note = "To appear",
}