%% You should probably cite draft-ietf-acme-integrations instead of this I-D.
@techreport{friel-acme-integrations-02,
    number =    {draft-friel-acme-integrations-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-friel-acme-integrations/02/},
    author =    {Owen Friel and Richard Barnes and Rifaat Shekh-Yusef},
    title =     {{ACME Integrations}},
    pagetotal = 17,
    year =      2019,
    month =     oct,
    day =       24,
    abstract =  {This document outlines multiple advanced use cases and integrations that ACME facilitates without any modifications or enhancements required to the base ACME specification. The use cases include ACME integration with EST, BRSKI and TEAP.},
}