how can I export secret key as .p12?

[Visual GPG WoT Project]

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Hash: SHA1
 
Hi!

(sorry if it is a repeated question but I can't find gpgsm for Win)
 
How can I export my secret key as a .p12 file?
(I'm working on Windows 7)

Thanks!
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Version: GnuPG v1.4.10 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
 
iEYEARECAAYFAkznzy0ACgkQoJCTUJhiBD8kswCgwqixu2LFeBMmMcOBN/krWG2W
UssAoJJtpS2tLkvxoAN981hbTLNKG88a
=gjAh
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