@article{culler2020covista,
  author  = {Culler, David E. and Dutta, Prabal and Fierro, Gabe and Gonzalez, Joseph E. and
             Pemberton, Nathan and Schleier-Smith, Johann and Shankari, Kalyanaraman and
             Wan, Alvin and Zachariah, Thomas},
  title   = {{CoVista}: A Unified View on Privacy Sensitive Mobile Contact Tracing},
  journal = {{IEEE} Data Engineering Bulletin},
  volume  = {43},
  number  = {2},
  pages   = {83--94},
  year    = {2020},
  url     = {http://sites.computer.org/debull/A20june/p83.pdf}
}