Some Pentest Report Sample and Templates

http://www.niiconsulting.com/services/security_assessment/NII_Sample_PT_Report.pdf

http://www.offensive-security.com/offsec-sample-report.pdf

http://www.sans.org/reading_room/whitepapers/bestprac/writing-penetration-testing-report_33343

http://www.vulnerabilityassessment.co.uk/report%20template.html

http://www.digitalencode.net/ossar/ossar_v0.5.pdf

http://www.besnard.org/biometrics/2BIO706_business_report.pdf