-- Doc5, "Journals, Magazines and Newsletters".
Research orientated sources
http://www.cl.cam.ac.uk/users/rja14/#SR
http://www.ieee-security.org/cipher.html
http://www.sciencedirect.com/
http://www.elsevier.nl/
http://www.acm.org/tissec/
http://www.springerlink.com/
Full list of related journals http://zerlina.emeraldinsight.com/
Practically Orientated
http://www.sans.org/rr/
http://www.counterpane.com/crypto-gram.html
More underground sources
http://www.phrack.org/
http://www.2600.com/
http://www.blackhat.com/
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