BibTeX Reference for “Requirements for WCAG 2.0 Extensions”

@TechReport{O'Connor:16:RWE,
  author      = "Joshue O'Connor and Andrew Kirkpatrick and Michael Cooper",
  title       = "Requirements for {WCAG} 2.0 Extensions",
  month       = jan,
  note        = "https://www.w3.org/TR/2016/WD-wcag2-ext-req-20160105/",
  year        = "2016",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}