@misc{rfc6218,
    series =    {Request for Comments},
    number =    6218,
    howpublished =  {RFC 6218},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6218},
    url =       {https://www.rfc-editor.org/info/rfc6218},
    author =    {Joseph A. Salowey and Tiebing Zhang and Glen Zorn and Jesse R. Walker},
    title =     {{Cisco Vendor-Specific RADIUS Attributes for the Delivery of Keying Material}},
    pagetotal = 18,
    year =      2011,
    month =     apr,
    abstract =  {This document defines a set of vendor-specific RADIUS Attributes designed to allow both the secure transmission of cryptographic keying material and strong authentication of any RADIUS message. These attributes have been allocated from the Cisco vendor-specific space and have been implemented by multiple vendors. This document is not an Internet Standards Track specification; it is published for informational purposes.},
}