%% You should probably cite rfc8164 instead of this I-D.
@techreport{ietf-httpbis-http2-encryption-11,
    number =    {draft-ietf-httpbis-http2-encryption-11},
    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-http2-encryption/11/},
    author =    {Mark Nottingham and Martin Thomson},
    title =     {{Opportunistic Security for HTTP/2}},
    pagetotal = 10,
    year =      2017,
    month =     mar,
    day =       17,
    abstract =  {This document describes how "http" URIs can be accessed using Transport Layer Security (TLS) and HTTP/2 to mitigate pervasive monitoring attacks. This mechanism not a replacement for "https" URIs; it is vulnerable to active attacks.},
}