Request a transfer or check from AlertPay to your bank account and once they have cleared into your account, apply the funds to PayPal.
From AlertPay FAQ:
Q: How can I withdraw funds from my AlertPay account?
If we offer banking services for your country, you can withdraw your money from your AlertPay account by the following methods:• Bank Transfer*• Check• Bank Wire**• Credit/Debit Card• AlertPay PrePaid Card (not all members have this option available.