%% You should probably cite rfc8165 instead of this I-D.
@techreport{hardie-privsec-metadata-insertion-05,
    number =    {draft-hardie-privsec-metadata-insertion-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-hardie-privsec-metadata-insertion/05/},
    author =    {Ted Hardie},
    title =     {{Design considerations for Metadata Insertion}},
    pagetotal = 6,
    year =      2017,
    month =     jan,
    day =       20,
    abstract =  {The IAB has published {[}RFC7624{]} in response to several revelations of pervasive attack on Internet communications. This document considers the implications of protocol designs which associate metadata with encrypted flows. In particular, it asserts that designs which do so by explicit actions of the end system are preferable to designs in which middleboxes insert them.},
}