Listing 3. Creating BibTeX entries can be trivial if the documents come
with plenty of metadata.

$ wget -q http://www.copyright.gov/legislation/dmca.pdf
$ extract -b ~/dmca.pdf
% BiBTeX file
@misc{ unite2001the_d,
    title = "The Digital Millennium Copyright Act
    of 1998",
    author = "United States Copyright Office - jmf",
    note = "digital millennium copyright act
    circumvention technological protection management
    information online service provider liability
    limitation computer maintenance competition
    repair ephemeral recording webcasting distance
    education study vessel hull",
    year = "2001",
    month = "10",
    key = "Copyright Office Summary of the DMCA",
    pages = "18"
}