%% You should probably cite rfc8441 instead of this I-D.
@techreport{ietf-httpbis-h2-websockets-03,
    number =    {draft-ietf-httpbis-h2-websockets-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-httpbis-h2-websockets/03/},
    author =    {Patrick McManus},
    title =     {{Bootstrapping WebSockets with HTTP/2}},
    pagetotal = 7,
    year =      ** No value found for 'doc.pub_date.year' **,
    month =     ** No value found for 'doc.pub_date' **,
    day =       ** No value found for 'doc.pub_date.day' **,
    abstract =  {This document defines a mechanism for running the WebSocket Protocol over a single stream of an HTTP/2 connection.},
}