Reference for “Efficient XML Interchange (EXI) Primer”

@TechReport{Peintner:09:EXI,
  author      = "Daniel Peintner and Santiago Pericas-Geertsen",
  title       = "Efficient {XML} Interchange ({EXI}) Primer",
  month       = dec,
  note        = "http://www.w3.org/TR/2009/WD-exi-primer-20091208/",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}